Prerequisites

To ensure that the Cisco Umbrella Roaming Security module for AnyConnect deploys and runs successfully, Umbrella requires that you meet the following prerequisites:

Table of Contents

• System Requirements
• Network Requirements

System Requirements

Cisco Umbrella supports all vendor-supported, generally available releases of an operating system unless otherwise noted.

• Version 5.1.0 and above
  • Windows 11 (64-bit) or higher
    • Microsoft-supported versions of Windows 11 and 10 for ARM64-based PCs (Supported only in VPN client, DART, Secure Firewall Posture, Network Visibility Module, Umbrella Module, and ISE Posture)
    • Windows 10 x86(32-bit) and x64 (64-bit)
  • macOS 11.x or higher

Network Requirements

To connect efficiently to Umbrella's Secure Web Gateway (SWG), allow the following CIDRs in your firewalls with TCP on ports 80 and 443:

• 18.252.203.75/32
• 18.254.63.24/32
• 18.253.118.19/32

We recommend that you bypass the following domains directly to allow all traffic with TCP on ports 80 and 443:

• ocsp.int-x3.letsencrypt.org
• isrg.trustid.ocsp.identrust.com
• *.cisco.com
• *.opendns.com
• *.umbrellagov.com
• *.okta.com
• *.oktacdn.com
• *.pingidentity.com
• secure.aadcdn.microsoftonline-p.com

Note: When using an SSL-VPN, add the IP address of the VPN head-end to the external domains settings. For more information, see Manage Domains.

Quick Start Guide < Prerequisites > Before You Begin